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Posted to common-commits@hadoop.apache.org by we...@apache.org on 2019/08/21 16:01:28 UTC
[hadoop] branch branch-3.2 updated: Revert "HDFS-14476. lock too
long when fix inconsistent blocks between disk and in-memory. Contributed
by Sean Chow."
This is an automated email from the ASF dual-hosted git repository.
weichiu pushed a commit to branch branch-3.2
in repository https://gitbox.apache.org/repos/asf/hadoop.git
The following commit(s) were added to refs/heads/branch-3.2 by this push:
new 933ea6a Revert "HDFS-14476. lock too long when fix inconsistent blocks between disk and in-memory. Contributed by Sean Chow."
933ea6a is described below
commit 933ea6aa4d64f6208eaacc5e40b0cacffe13109d
Author: Wei-Chiu Chuang <we...@apache.org>
AuthorDate: Wed Aug 21 09:00:23 2019 -0700
Revert "HDFS-14476. lock too long when fix inconsistent blocks between disk and in-memory. Contributed by Sean Chow."
This reverts commit 8b802d6b444b95791ba156c7bb307dd584cc9dba.
---
.../hadoop/hdfs/server/datanode/DirectoryScanner.java | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
index 2d9ccf9..99584d9 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
@@ -68,7 +68,6 @@ public class DirectoryScanner implements Runnable {
+ " starting at %s with interval of %dms";
private static final String START_MESSAGE_WITH_THROTTLE = START_MESSAGE
+ " and throttle limit of %dms/s";
- private static final int RECONCILE_BLOCKS_BATCH_SIZE = 1000;
private final FsDatasetSpi<?> dataset;
private final ExecutorService reportCompileThreadPool;
@@ -374,11 +373,7 @@ public class DirectoryScanner implements Runnable {
*/
@VisibleForTesting
public void reconcile() throws IOException {
- LOG.debug("reconcile start DirectoryScanning");
scan();
- // HDFS-14476: run checkAndUpadte with batch to avoid holding the lock too
- // long
- int loopCount = 0;
for (Entry<String, LinkedList<ScanInfo>> entry : diffs.entrySet()) {
String bpid = entry.getKey();
LinkedList<ScanInfo> diff = entry.getValue();
@@ -386,15 +381,6 @@ public class DirectoryScanner implements Runnable {
for (ScanInfo info : diff) {
dataset.checkAndUpdate(bpid, info);
}
-
- if (loopCount % RECONCILE_BLOCKS_BATCH_SIZE == 0) {
- try {
- Thread.sleep(2000);
- } catch (InterruptedException e) {
- // do nothing
- }
- }
- loopCount++;
}
if (!retainDiffs) clear();
}
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